Question

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Answer 1

Explanation:

10+18+25+27+35+50=165

n=6

mean =165/6=27.5

x x- mean (x-mean)²

10 -17.5 306.25

18 -9.5 90.25

25 -2.5 6.25

27 -0.5 0.25

35 7.5 56.25

50 22.5 506.25

_____ ________

sum 0 965.5

_____ _________

standard deviation

`=\sqrt{(sum)/(n-1) } \\=\sqrt{(965.5)/(5) } \\=√(193.1) \\\approx 13.896`